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SubjectRe: [PATCH 04/15] pinctrl: sh-pfc: Initial R-Car M3-N support
Hi Jacopo,

On Wed, Feb 14, 2018 at 2:53 PM, jacopo mondi <> wrote:
> On Wed, Feb 14, 2018 at 02:37:08PM +0100, Geert Uytterhoeven wrote:
>> On Tue, Feb 13, 2018 at 10:45 AM, Jacopo Mondi
>> <> wrote:
>> > Add initial PFC support for R-Car M3-N (r8a77965) SoC.
>> > No groups or functions defined, just pin and registers enumeration.
>> >
>> > Signed-off-by: Jacopo Mondi <>
>> Thanks for your patch!
>> Looks mostly OK to me.
>> You do want to compare with pfc-r8a7796.c: all differences not related to
>> SATA_DEVSL, FSCLK, DU_DOTCLKIN2/3, and PRESET are issues that were fixed
>> recently in pfc-r8a7796.c, and should apply to pfc-r8a77965.c, too.
> I have used the M3-W tables with the exception of the pins/groups you
> mentioned, that are clearly marked as different in the datasheet. At
> least, this was my intention :)
> I used v4.15 M3-W PFC tables, should I look in v4.16-rc1 or in
> renesas-drivers for updates?

Always look at the latest version in my sh-pfc branch ;-)

>> That leaves us with very few differences only, but it won't be trivial to have
>> a combined M3-W/N PFC driver, I'm afraid.
> Takes a certain degree of grep-foo to clearly highlight differences
> between the two version. Do you have any script/tools you use to
> compare PFC tables a bit more easily?

The "--no-index" option of git diff allows to compare files against each
other, instead of against some other version.
Can be combined with wdiff:

$ git help wdiff
`git wdiff' is aliased to `diff --color-words'

soc-dts-diff (
also helps, even for drivers.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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